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💧 Seal it, shield it, forget it — Flex Seal Liquid keeps your world watertight!
Flex Seal Liquid is a 16 oz gray rubberized sealant that creates a flexible, waterproof, and UV-resistant coating. Ideal for roofs, basements, RVs, and marine use, it bonds to a wide range of materials including metal, wood, concrete, and more. Easy to apply by brushing, rolling, dipping, or pouring, it prevents leaks, rust, and corrosion while maintaining breathability and flexibility for long-lasting protection.
| ASIN | B01GFY9X3E |
| Best Sellers Rank | #16,441 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #77 in Hardware Sealers |
| Brand | Flex Seal Liquid |
| Brand Name | Flex Seal Liquid |
| Color | Gray |
| Compatible Material | Rubber, Wood, Metal, Tile, Concrete, Masonry, Fabric, Glass, Plastic, Aluminum, Porcelain, Dry Wall, Cement, Some Vinyls |
| Customer Reviews | 4.4 out of 5 stars 1,707 Reviews |
| Global Trade Identification Number | 00853517006375 |
| Included Components | Flex Seal Liquid Rubber in a Can, 16-oz, Gray |
| Item Dimensions | 4 x 3.4 x 3.4 inches |
| Item Form | Liquid |
| Item Type Name | Flex Seal Liquid Swift Response LFSGRYR16, Gray As Seen On TV, 16 OZ |
| Item Weight | 16 ounces |
| Item dimensions L x W x H | 4 x 3.4 x 3.4 inches |
| Manufacturer | Flex Seal Liquid |
| Material | Rubber |
| Material Type | Rubber |
| Model | FLEX SEAL - LFSGRYR16 - GRAY |
| Number of Items | 1 |
| Part Number | LFSGRYR16 |
| Style | Custom |
| Style Name | Custom |
| Surface Recommendation | Roof |
| UPC | 853517006375 |
| Unit Count | 16.0 Fluid Ounces |
| Warranty Description | 1 Year Limited |
| Water Resistance Level | Waterproof |
J**Y
Ease of use
Very easy to use and does the trick. Instead of spending a small fortune for new concrete steps FLEX SEAL has sealed all the cracks.
V**C
Highly recommended sealer
Great product, used it to patch and seal a small backyard fountain. Easy to apply and sealed in 1 coat. Definitely recommend
K**N
Use a throw away brush .
Very good product good coverage easy to apply, would recommend it,
S**M
Works great lasts for years maks for a pliable resilient gap sealer
I use this to seal the small 1/3 inch expansion gap between the cement patio to the coaming around an in-ground pool, Works super , much better than some poly in a tube from the hardware store.
Y**G
Amazing Flex Seal for Old Wood Boat Seats
Flex Seal is amazing and easy to apply. I needed to waterproof my fishing boat wooden seats that were the old school of paint on them and they needed some tinder loving care to get them back to a good state. I sanded the wood seats to get a good surface first, then applied the Flex Seal. OMG after a first coat I was amazed how well it adhered to the old plywood seats! Heads up though, do the prep work first, then apply the Flex seal with a good brush with even strokes in one direction. Allow it to be done in warm clear weather as it will take awhile to fully cure. I let it dry for a full week. Amazing finish in the final result. It is waterproof now too! Love it. I used the light gray.
J**A
Excellent product
Excellent product, bought it to recoat the main power line feeding our electrical meter. Replacement of the power line would have been $1800.00 but recoated it with the grey Flexseal and it passed inspection. It only cost about $10.00, didnt use the whole can, and we saved $1800.00.
J**T
Damage
I opened the shipping box, which was not damaged. And found the flex seal can was partially crushed and had rust around the top rim and bottom. The lid does not fit securely, which may create an opportunity for the product to dry out in the future.
P**A
A good buy!
Wife used it to seal a bird bath (strong plastic construction) along the bottom. Was leaking but sealed up great.
S**O
Flex seal
No More Leaks
P**S
excelente
Produto caro porém é excelente
F**N
Sealed my 8 x 10 shed, no more leaks.
Works very well
S**C
Great stuff, do as the directions say and its done NO PROBLEM!
Good product and with the brush mentioned, you can do a great sealing job
Trustpilot
2 weeks ago
1 month ago